THE TONAL APPARATUS OF RANATRA QUADRIDENTATA, Stal

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Abstract
In “The Canadian Entomologist” for August, 1903 (*), I called attention to the sounds produced by Ranatra fusca, Pal. B. Further study has shown me that the bug I then referred to was in reality Ranatra quadridentata, Stal., and that R. fusca is very rare in the north, if, indeed, it occurs at all, the former being the commonest species in the Eastern United States, the latterm on the other hand, being more southern. The nots referreed to, therefore, apply to R. quadridentata, Stal.

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